1 definition by La Cho.

1.Using somethingcool so much that it starts to get annoying.
2.Making something much serious/making something take longer than what it should.
Jill:Hey do you wanna go out?
Jonny:No, I'm busy.
Jill:Will you ever want to go out?
Jonny:Uhmm.
Jill:When will you be available?
Jill:HELLLLLOOOO?!
Jonny:Overkill.
by La Cho. July 22, 2009
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